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Journal : AGRISAINS

KAPASITAS ADAPTIF EKOSISTEM LAMUN (SEAGRASS) DI GUGUS PULAU GURAICI KABUPATEN HALMAHERA SELATAN PROVINSI MALUKU UTARA Subur, Riyadi; Yulianda, Fredinan; Susilo, Setyo Budi; Fahrudin, Achmad
AgriSains Vol 12, No 3 (2011)
Publisher : FAPETKAN UNTAD

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Abstract

Sea grass bed is an important ecosystem in coastal areas and small islands which plays important and effective roles as a protector of the coastal line and the safety of the mainland area of small islands. Physically, the roles of ecosystem were as erosion prevention, sediment trap and barrier of waves and currents. The existence of these ecosystems in the coastal regions and small islands was an important in enhancing the adaptive capacity of islands against natural disaster because the island serves as a natural protector. The aim of this research was to calculate and assess tha adaptive capacity of sea grass ecosystems growing in the waters of around the small islands in the group of Guraici. The research was conducted on 17 islands located in the group of Guraici islands. Measurement of adaptive capacity of sea grass ecosystem was done by analyzing 6 parameters, namely: Sea Grass Dimension Index (IDLn), Dominant Species of Sea Grass, Sea Grass Coverage Percentage (%), Number of Sea Grass Species, Substrate Type, Distance from The Point of Ecosystem. Sea Grass ecosystem adaptive capacity value was in the range between 0.0-1.0, with capacity of five categories of “very low, low, medium, high and very high”. These results indicated that sea grass ecosystem growing in the waters of around the islands in the island of group Guraici had adaptive capacity with values ranging between 0.0-0.59. The ranges of values were distributed into three categories of the adaptive capacities (very low, low and medium). A total of 13 islands had a capacity of sea grass ecosystem “medium”, the other three islands with capacity of “low” and one island with a capacity of “very low”.    Key words : Adaptive Capacity, seagrass ecosystem.
KESESUAIAN DAN DAYA DUKUNG LAHAN UNTUK KEGIATAN WISATA DAN PERIKANAN DI PANTAI KOTA MAKASSAR SULAWESI SELATAN Hamzah, Hamzah; Fahrudin, Achmad; Efendi, Heffni; Muchsin, Ismudi
AgriSains Vol 12, No 3 (2011)
Publisher : FAPETKAN UNTAD

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Abstract

This research is intended 1) to know land suitability for tourism and fisheries at Makassar's coastal area 2) to calculate carryng capacity area for conducting tourism and fisheries at City coastal area of Makassar. This research done be conducted in City coastal area of Makassar South Sulawesi. Method used in research is land suitability analysis and carryng capacity coastal area for beach tourism and fisheries. Research result suitable area for beach tourism is 10.373,7 m. There Is even for  diving tourism is as extensive as 4,3 ha at Samalona's Island waters. Land suitability for floating cages is 490, 39 ha, seaweeds culture area is 1000,4 h. Carryng capacity for floating cages 8,796 ha, while is 3.258 units available. By use of long line method, therefore acquired 231 units on area as extensive as 554,25 ha. Carryng capacity for beach tourism : kayangan island 15 person; Lae Lae 53 ; Tanjung Bayang, Tanjung Bunga and Akarena 162 person; Losari's beach 137 person; Barombong's beach is 47 person. Key words : City coastal, area of Makassar South.